KH

Karl Heckel

📍 Honolulu, HI: #378 of 1,208 inventorsTop 35%
🗺 Hawaii: #729 of 2,560 inventorsTop 30%
Overall (All Time): #2,292,201 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5286278 Dry process for the cold briquetting of metallurgical dusts 1994-02-15
4381754 Electromagnetic fuel saving device 1983-05-03